Wednesday, February 22, 2017

A neighbor who I've known for a couple of years asked me to make some auxiliary packs for him to use with 3 of his 6 TF bikes. He ordered all the parts needed to make the packs and I picked them up from him.

It's a good thing he did because the site where he bought the packs sold out fairly quickly.

Here are some pics of the raw cells and some pics of them partially assembled before the cases and connectors were fully completed. pardon my messy and overcrowded workbench.

Wednesday, February 15, 2017

However, the battery leads that came with the welder have relatively small openings to attach them to the terminals on a normal car battery. In KaeptnBalu's video of how he builds the welder, I noticed that he had adapters on his battery terminals which allowed the use of the smaller openings of his welding tips. I did a quick look on Amazon and saw what I think are the exact same adapters!

Sunday, February 12, 2017

I've been wanting an inexpensive yet versatile battery welder for a while now and this sure seems to fill the bill. All that is needed is a solid 12V battery, usually a sealed lead acid (SLA) car battery and a pedal foot switch. I have a electric piano pedal that should work with a slight modification. I need to pick up a SLA somewhere. Oh, I also need a 5V microUSB power brick (used for most mobile phones these days).

The build quality is quite solid and professional and the included welding tips and the heavy duty heat sink bar are also much appreciated. Well done, Kaeptnbalu!

Wednesday, February 1, 2017

I bought a printed circuit board set to make an Arduino based battery welder, however, the completed and tested system became available and so I've decided to buy the assembled system. Now I have a PCB set to sell.

I purchased this Arduino based battery spot welder PCB set and then opted for the fully built unit. With some fairly inexpensive components and some soldering and assembly skills, you can make this into a battery spot welder for low $$$. I paid $6+1.70 for shipping. It's still in the original packaging and I'll let it go for $7.00 shipped to the continental USA.